1 use crate::off64_t;
2 use crate::prelude::*;
3 
4 pub type pthread_t = c_ulong;
5 pub type __priority_which_t = c_uint;
6 pub type __rlimit_resource_t = c_uint;
7 pub type Lmid_t = c_long;
8 pub type regoff_t = c_int;
9 pub type __kernel_rwf_t = c_int;
10 
11 cfg_if! {
12     if #[cfg(doc)] {
13         // Used in `linux::arch` to define ioctl constants.
14         pub(crate) type Ioctl = c_ulong;
15     } else {
16         #[doc(hidden)]
17         pub type Ioctl = c_ulong;
18     }
19 }
20 
21 s! {
22     pub struct aiocb {
23         pub aio_fildes: c_int,
24         pub aio_lio_opcode: c_int,
25         pub aio_reqprio: c_int,
26         pub aio_buf: *mut c_void,
27         pub aio_nbytes: size_t,
28         pub aio_sigevent: crate::sigevent,
29         __next_prio: *mut aiocb,
30         __abs_prio: c_int,
31         __policy: c_int,
32         __error_code: c_int,
33         __return_value: ssize_t,
34         pub aio_offset: off_t,
35         #[cfg(all(
36             not(gnu_file_offset_bits64),
37             not(target_arch = "x86_64"),
38             target_pointer_width = "32"
39         ))]
40         __unused1: [c_char; 4],
41         __glibc_reserved: [c_char; 32],
42     }
43 
44     pub struct __exit_status {
45         pub e_termination: c_short,
46         pub e_exit: c_short,
47     }
48 
49     pub struct __timeval {
50         pub tv_sec: i32,
51         pub tv_usec: i32,
52     }
53 
54     pub struct glob64_t {
55         pub gl_pathc: size_t,
56         pub gl_pathv: *mut *mut c_char,
57         pub gl_offs: size_t,
58         pub gl_flags: c_int,
59 
60         __unused1: *mut c_void,
61         __unused2: *mut c_void,
62         __unused3: *mut c_void,
63         __unused4: *mut c_void,
64         __unused5: *mut c_void,
65     }
66 
67     pub struct msghdr {
68         pub msg_name: *mut c_void,
69         pub msg_namelen: crate::socklen_t,
70         pub msg_iov: *mut crate::iovec,
71         pub msg_iovlen: size_t,
72         pub msg_control: *mut c_void,
73         pub msg_controllen: size_t,
74         pub msg_flags: c_int,
75     }
76 
77     pub struct cmsghdr {
78         pub cmsg_len: size_t,
79         pub cmsg_level: c_int,
80         pub cmsg_type: c_int,
81     }
82 
83     pub struct termios {
84         pub c_iflag: crate::tcflag_t,
85         pub c_oflag: crate::tcflag_t,
86         pub c_cflag: crate::tcflag_t,
87         pub c_lflag: crate::tcflag_t,
88         pub c_line: crate::cc_t,
89         pub c_cc: [crate::cc_t; crate::NCCS],
90         #[cfg(not(any(
91             target_arch = "sparc",
92             target_arch = "sparc64",
93             target_arch = "mips",
94             target_arch = "mips32r6",
95             target_arch = "mips64",
96             target_arch = "mips64r6"
97         )))]
98         pub c_ispeed: crate::speed_t,
99         #[cfg(not(any(
100             target_arch = "sparc",
101             target_arch = "sparc64",
102             target_arch = "mips",
103             target_arch = "mips32r6",
104             target_arch = "mips64",
105             target_arch = "mips64r6"
106         )))]
107         pub c_ospeed: crate::speed_t,
108     }
109 
110     pub struct mallinfo {
111         pub arena: c_int,
112         pub ordblks: c_int,
113         pub smblks: c_int,
114         pub hblks: c_int,
115         pub hblkhd: c_int,
116         pub usmblks: c_int,
117         pub fsmblks: c_int,
118         pub uordblks: c_int,
119         pub fordblks: c_int,
120         pub keepcost: c_int,
121     }
122 
123     pub struct mallinfo2 {
124         pub arena: size_t,
125         pub ordblks: size_t,
126         pub smblks: size_t,
127         pub hblks: size_t,
128         pub hblkhd: size_t,
129         pub usmblks: size_t,
130         pub fsmblks: size_t,
131         pub uordblks: size_t,
132         pub fordblks: size_t,
133         pub keepcost: size_t,
134     }
135 
136     pub struct nl_pktinfo {
137         pub group: u32,
138     }
139 
140     pub struct nl_mmap_req {
141         pub nm_block_size: c_uint,
142         pub nm_block_nr: c_uint,
143         pub nm_frame_size: c_uint,
144         pub nm_frame_nr: c_uint,
145     }
146 
147     pub struct nl_mmap_hdr {
148         pub nm_status: c_uint,
149         pub nm_len: c_uint,
150         pub nm_group: u32,
151         pub nm_pid: u32,
152         pub nm_uid: u32,
153         pub nm_gid: u32,
154     }
155 
156     pub struct rtentry {
157         pub rt_pad1: c_ulong,
158         pub rt_dst: crate::sockaddr,
159         pub rt_gateway: crate::sockaddr,
160         pub rt_genmask: crate::sockaddr,
161         pub rt_flags: c_ushort,
162         pub rt_pad2: c_short,
163         pub rt_pad3: c_ulong,
164         pub rt_tos: c_uchar,
165         pub rt_class: c_uchar,
166         #[cfg(target_pointer_width = "64")]
167         pub rt_pad4: [c_short; 3usize],
168         #[cfg(not(target_pointer_width = "64"))]
169         pub rt_pad4: c_short,
170         pub rt_metric: c_short,
171         pub rt_dev: *mut c_char,
172         pub rt_mtu: c_ulong,
173         pub rt_window: c_ulong,
174         pub rt_irtt: c_ushort,
175     }
176 
177     pub struct ntptimeval {
178         pub time: crate::timeval,
179         pub maxerror: c_long,
180         pub esterror: c_long,
181         pub tai: c_long,
182         pub __glibc_reserved1: c_long,
183         pub __glibc_reserved2: c_long,
184         pub __glibc_reserved3: c_long,
185         pub __glibc_reserved4: c_long,
186     }
187 
188     pub struct regex_t {
189         __buffer: *mut c_void,
190         __allocated: size_t,
191         __used: size_t,
192         __syntax: c_ulong,
193         __fastmap: *mut c_char,
194         __translate: *mut c_char,
195         __re_nsub: size_t,
196         __bitfield: u8,
197     }
198 
199     pub struct Elf64_Chdr {
200         pub ch_type: crate::Elf64_Word,
201         pub ch_reserved: crate::Elf64_Word,
202         pub ch_size: crate::Elf64_Xword,
203         pub ch_addralign: crate::Elf64_Xword,
204     }
205 
206     pub struct Elf32_Chdr {
207         pub ch_type: crate::Elf32_Word,
208         pub ch_size: crate::Elf32_Word,
209         pub ch_addralign: crate::Elf32_Word,
210     }
211 
212     pub struct seminfo {
213         pub semmap: c_int,
214         pub semmni: c_int,
215         pub semmns: c_int,
216         pub semmnu: c_int,
217         pub semmsl: c_int,
218         pub semopm: c_int,
219         pub semume: c_int,
220         pub semusz: c_int,
221         pub semvmx: c_int,
222         pub semaem: c_int,
223     }
224 
225     pub struct ptrace_peeksiginfo_args {
226         pub off: crate::__u64,
227         pub flags: crate::__u32,
228         pub nr: crate::__s32,
229     }
230 
231     pub struct __c_anonymous_ptrace_syscall_info_entry {
232         pub nr: crate::__u64,
233         pub args: [crate::__u64; 6],
234     }
235 
236     pub struct __c_anonymous_ptrace_syscall_info_exit {
237         pub sval: crate::__s64,
238         pub is_error: crate::__u8,
239     }
240 
241     pub struct __c_anonymous_ptrace_syscall_info_seccomp {
242         pub nr: crate::__u64,
243         pub args: [crate::__u64; 6],
244         pub ret_data: crate::__u32,
245     }
246 
247     pub struct ptrace_syscall_info {
248         pub op: crate::__u8,
249         pub pad: [crate::__u8; 3],
250         pub arch: crate::__u32,
251         pub instruction_pointer: crate::__u64,
252         pub stack_pointer: crate::__u64,
253         pub u: __c_anonymous_ptrace_syscall_info_data,
254     }
255 
256     pub struct ptrace_sud_config {
257         pub mode: crate::__u64,
258         pub selector: crate::__u64,
259         pub offset: crate::__u64,
260         pub len: crate::__u64,
261     }
262 
263     pub struct iocb {
264         pub aio_data: crate::__u64,
265         #[cfg(target_endian = "little")]
266         pub aio_key: crate::__u32,
267         #[cfg(target_endian = "little")]
268         pub aio_rw_flags: crate::__kernel_rwf_t,
269         #[cfg(target_endian = "big")]
270         pub aio_rw_flags: crate::__kernel_rwf_t,
271         #[cfg(target_endian = "big")]
272         pub aio_key: crate::__u32,
273         pub aio_lio_opcode: crate::__u16,
274         pub aio_reqprio: crate::__s16,
275         pub aio_fildes: crate::__u32,
276         pub aio_buf: crate::__u64,
277         pub aio_nbytes: crate::__u64,
278         pub aio_offset: crate::__s64,
279         aio_reserved2: crate::__u64,
280         pub aio_flags: crate::__u32,
281         pub aio_resfd: crate::__u32,
282     }
283 
284     // netinet/tcp.h
285 
286     pub struct tcp_info {
287         pub tcpi_state: u8,
288         pub tcpi_ca_state: u8,
289         pub tcpi_retransmits: u8,
290         pub tcpi_probes: u8,
291         pub tcpi_backoff: u8,
292         pub tcpi_options: u8,
293         /// This contains the bitfields `tcpi_snd_wscale` and `tcpi_rcv_wscale`.
294         /// Each is 4 bits.
295         pub tcpi_snd_rcv_wscale: u8,
296         pub tcpi_rto: u32,
297         pub tcpi_ato: u32,
298         pub tcpi_snd_mss: u32,
299         pub tcpi_rcv_mss: u32,
300         pub tcpi_unacked: u32,
301         pub tcpi_sacked: u32,
302         pub tcpi_lost: u32,
303         pub tcpi_retrans: u32,
304         pub tcpi_fackets: u32,
305         pub tcpi_last_data_sent: u32,
306         pub tcpi_last_ack_sent: u32,
307         pub tcpi_last_data_recv: u32,
308         pub tcpi_last_ack_recv: u32,
309         pub tcpi_pmtu: u32,
310         pub tcpi_rcv_ssthresh: u32,
311         pub tcpi_rtt: u32,
312         pub tcpi_rttvar: u32,
313         pub tcpi_snd_ssthresh: u32,
314         pub tcpi_snd_cwnd: u32,
315         pub tcpi_advmss: u32,
316         pub tcpi_reordering: u32,
317         pub tcpi_rcv_rtt: u32,
318         pub tcpi_rcv_space: u32,
319         pub tcpi_total_retrans: u32,
320     }
321 
322     pub struct fanotify_event_info_pidfd {
323         pub hdr: crate::fanotify_event_info_header,
324         pub pidfd: crate::__s32,
325     }
326 
327     pub struct fanotify_event_info_error {
328         pub hdr: crate::fanotify_event_info_header,
329         pub error: crate::__s32,
330         pub error_count: crate::__u32,
331     }
332 
333     // FIXME(1.0) this is actually a union
334     #[cfg_attr(target_pointer_width = "32", repr(align(4)))]
335     #[cfg_attr(target_pointer_width = "64", repr(align(8)))]
336     pub struct sem_t {
337         #[cfg(target_pointer_width = "32")]
338         __size: [c_char; 16],
339         #[cfg(target_pointer_width = "64")]
340         __size: [c_char; 32],
341     }
342 
343     pub struct mbstate_t {
344         __count: c_int,
345         __wchb: [c_char; 4],
346     }
347 
348     pub struct fpos64_t {
349         __pos: off64_t,
350         __state: crate::mbstate_t,
351     }
352 
353     pub struct fpos_t {
354         #[cfg(not(gnu_file_offset_bits64))]
355         __pos: off_t,
356         #[cfg(gnu_file_offset_bits64)]
357         __pos: off64_t,
358         __state: crate::mbstate_t,
359     }
360 
361     // linux x32 compatibility
362     // See https://sourceware.org/bugzilla/show_bug.cgi?id=16437
363     pub struct timespec {
364         pub tv_sec: time_t,
365         #[cfg(all(gnu_time_bits64, target_endian = "big"))]
366         __pad: i32,
367         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
368         pub tv_nsec: c_long,
369         #[cfg(all(gnu_time_bits64, target_endian = "little"))]
370         __pad: i32,
371     }
372 }
373 
374 impl siginfo_t {
375     pub unsafe fn si_addr(&self) -> *mut c_void {
376         #[repr(C)]
377         struct siginfo_sigfault {
378             _si_signo: c_int,
379             _si_errno: c_int,
380             _si_code: c_int,
381             si_addr: *mut c_void,
382         }
383         (*(self as *const siginfo_t).cast::<siginfo_sigfault>()).si_addr
384     }
385 
386     pub unsafe fn si_value(&self) -> crate::sigval {
387         #[repr(C)]
388         struct siginfo_timer {
389             _si_signo: c_int,
390             _si_errno: c_int,
391             _si_code: c_int,
392             _si_tid: c_int,
393             _si_overrun: c_int,
394             si_sigval: crate::sigval,
395         }
396         (*(self as *const siginfo_t).cast::<siginfo_timer>()).si_sigval
397     }
398 }
399 
400 // Internal, for casts to access union fields
401 #[repr(C)]
402 struct sifields_sigchld {
403     si_pid: crate::pid_t,
404     si_uid: crate::uid_t,
405     si_status: c_int,
406     si_utime: c_long,
407     si_stime: c_long,
408 }
409 impl Copy for sifields_sigchld {}
410 impl Clone for sifields_sigchld {
411     fn clone(&self) -> sifields_sigchld {
412         *self
413     }
414 }
415 
416 // Internal, for casts to access union fields
417 #[repr(C)]
418 union sifields {
419     _align_pointer: *mut c_void,
420     sigchld: sifields_sigchld,
421 }
422 
423 // Internal, for casts to access union fields. Note that some variants
424 // of sifields start with a pointer, which makes the alignment of
425 // sifields vary on 32-bit and 64-bit architectures.
426 #[repr(C)]
427 struct siginfo_f {
428     _siginfo_base: [c_int; 3],
429     sifields: sifields,
430 }
431 
432 impl siginfo_t {
433     unsafe fn sifields(&self) -> &sifields {
434         &(*(self as *const siginfo_t).cast::<siginfo_f>()).sifields
435     }
436 
437     pub unsafe fn si_pid(&self) -> crate::pid_t {
438         self.sifields().sigchld.si_pid
439     }
440 
441     pub unsafe fn si_uid(&self) -> crate::uid_t {
442         self.sifields().sigchld.si_uid
443     }
444 
445     pub unsafe fn si_status(&self) -> c_int {
446         self.sifields().sigchld.si_status
447     }
448 
449     pub unsafe fn si_utime(&self) -> c_long {
450         self.sifields().sigchld.si_utime
451     }
452 
453     pub unsafe fn si_stime(&self) -> c_long {
454         self.sifields().sigchld.si_stime
455     }
456 }
457 
458 s_no_extra_traits! {
459     pub union __c_anonymous_ptrace_syscall_info_data {
460         pub entry: __c_anonymous_ptrace_syscall_info_entry,
461         pub exit: __c_anonymous_ptrace_syscall_info_exit,
462         pub seccomp: __c_anonymous_ptrace_syscall_info_seccomp,
463     }
464 
465     pub struct utmpx {
466         pub ut_type: c_short,
467         pub ut_pid: crate::pid_t,
468         pub ut_line: [c_char; __UT_LINESIZE],
469         pub ut_id: [c_char; 4],
470 
471         pub ut_user: [c_char; __UT_NAMESIZE],
472         pub ut_host: [c_char; __UT_HOSTSIZE],
473         pub ut_exit: __exit_status,
474 
475         #[cfg(any(
476             target_arch = "aarch64",
477             target_arch = "s390x",
478             target_arch = "loongarch64",
479             all(target_pointer_width = "32", not(target_arch = "x86_64"))
480         ))]
481         pub ut_session: c_long,
482         #[cfg(any(
483             target_arch = "aarch64",
484             target_arch = "s390x",
485             target_arch = "loongarch64",
486             all(target_pointer_width = "32", not(target_arch = "x86_64"))
487         ))]
488         pub ut_tv: crate::timeval,
489 
490         #[cfg(not(any(
491             target_arch = "aarch64",
492             target_arch = "s390x",
493             target_arch = "loongarch64",
494             all(target_pointer_width = "32", not(target_arch = "x86_64"))
495         )))]
496         pub ut_session: i32,
497         #[cfg(not(any(
498             target_arch = "aarch64",
499             target_arch = "s390x",
500             target_arch = "loongarch64",
501             all(target_pointer_width = "32", not(target_arch = "x86_64"))
502         )))]
503         pub ut_tv: __timeval,
504 
505         pub ut_addr_v6: [i32; 4],
506         __glibc_reserved: [c_char; 20],
507     }
508 }
509 
510 cfg_if! {
511     if #[cfg(feature = "extra_traits")] {
512         impl PartialEq for utmpx {
513             fn eq(&self, other: &utmpx) -> bool {
514                 self.ut_type == other.ut_type
515                     && self.ut_pid == other.ut_pid
516                     && self.ut_line == other.ut_line
517                     && self.ut_id == other.ut_id
518                     && self.ut_user == other.ut_user
519                     && self
520                         .ut_host
521                         .iter()
522                         .zip(other.ut_host.iter())
523                         .all(|(a, b)| a == b)
524                     && self.ut_exit == other.ut_exit
525                     && self.ut_session == other.ut_session
526                     && self.ut_tv == other.ut_tv
527                     && self.ut_addr_v6 == other.ut_addr_v6
528                     && self.__glibc_reserved == other.__glibc_reserved
529             }
530         }
531 
532         impl Eq for utmpx {}
533 
534         impl hash::Hash for utmpx {
535             fn hash<H: hash::Hasher>(&self, state: &mut H) {
536                 self.ut_type.hash(state);
537                 self.ut_pid.hash(state);
538                 self.ut_line.hash(state);
539                 self.ut_id.hash(state);
540                 self.ut_user.hash(state);
541                 self.ut_host.hash(state);
542                 self.ut_exit.hash(state);
543                 self.ut_session.hash(state);
544                 self.ut_tv.hash(state);
545                 self.ut_addr_v6.hash(state);
546                 self.__glibc_reserved.hash(state);
547             }
548         }
549 
550         impl PartialEq for __c_anonymous_ptrace_syscall_info_data {
551             fn eq(&self, other: &__c_anonymous_ptrace_syscall_info_data) -> bool {
552                 unsafe {
553                     self.entry == other.entry
554                         || self.exit == other.exit
555                         || self.seccomp == other.seccomp
556                 }
557             }
558         }
559 
560         impl Eq for __c_anonymous_ptrace_syscall_info_data {}
561 
562         impl hash::Hash for __c_anonymous_ptrace_syscall_info_data {
563             fn hash<H: hash::Hasher>(&self, state: &mut H) {
564                 unsafe {
565                     self.entry.hash(state);
566                     self.exit.hash(state);
567                     self.seccomp.hash(state);
568                 }
569             }
570         }
571     }
572 }
573 
574 // include/uapi/asm-generic/hugetlb_encode.h
575 pub const HUGETLB_FLAG_ENCODE_SHIFT: c_int = 26;
576 pub const HUGETLB_FLAG_ENCODE_MASK: c_int = 0x3f;
577 
578 pub const HUGETLB_FLAG_ENCODE_64KB: c_int = 16 << HUGETLB_FLAG_ENCODE_SHIFT;
579 pub const HUGETLB_FLAG_ENCODE_512KB: c_int = 19 << HUGETLB_FLAG_ENCODE_SHIFT;
580 pub const HUGETLB_FLAG_ENCODE_1MB: c_int = 20 << HUGETLB_FLAG_ENCODE_SHIFT;
581 pub const HUGETLB_FLAG_ENCODE_2MB: c_int = 21 << HUGETLB_FLAG_ENCODE_SHIFT;
582 pub const HUGETLB_FLAG_ENCODE_8MB: c_int = 23 << HUGETLB_FLAG_ENCODE_SHIFT;
583 pub const HUGETLB_FLAG_ENCODE_16MB: c_int = 24 << HUGETLB_FLAG_ENCODE_SHIFT;
584 pub const HUGETLB_FLAG_ENCODE_32MB: c_int = 25 << HUGETLB_FLAG_ENCODE_SHIFT;
585 pub const HUGETLB_FLAG_ENCODE_256MB: c_int = 28 << HUGETLB_FLAG_ENCODE_SHIFT;
586 pub const HUGETLB_FLAG_ENCODE_512MB: c_int = 29 << HUGETLB_FLAG_ENCODE_SHIFT;
587 pub const HUGETLB_FLAG_ENCODE_1GB: c_int = 30 << HUGETLB_FLAG_ENCODE_SHIFT;
588 pub const HUGETLB_FLAG_ENCODE_2GB: c_int = 31 << HUGETLB_FLAG_ENCODE_SHIFT;
589 pub const HUGETLB_FLAG_ENCODE_16GB: c_int = 34 << HUGETLB_FLAG_ENCODE_SHIFT;
590 
591 // include/uapi/linux/mman.h
592 /*
593  * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
594  * size other than the default is desired.  See hugetlb_encode.h.
595  * All known huge page size encodings are provided here.  It is the
596  * responsibility of the application to know which sizes are supported on
597  * the running system.  See mmap(2) man page for details.
598  */
599 pub const MAP_HUGE_SHIFT: c_int = HUGETLB_FLAG_ENCODE_SHIFT;
600 pub const MAP_HUGE_MASK: c_int = HUGETLB_FLAG_ENCODE_MASK;
601 
602 pub const MAP_HUGE_64KB: c_int = HUGETLB_FLAG_ENCODE_64KB;
603 pub const MAP_HUGE_512KB: c_int = HUGETLB_FLAG_ENCODE_512KB;
604 pub const MAP_HUGE_1MB: c_int = HUGETLB_FLAG_ENCODE_1MB;
605 pub const MAP_HUGE_2MB: c_int = HUGETLB_FLAG_ENCODE_2MB;
606 pub const MAP_HUGE_8MB: c_int = HUGETLB_FLAG_ENCODE_8MB;
607 pub const MAP_HUGE_16MB: c_int = HUGETLB_FLAG_ENCODE_16MB;
608 pub const MAP_HUGE_32MB: c_int = HUGETLB_FLAG_ENCODE_32MB;
609 pub const MAP_HUGE_256MB: c_int = HUGETLB_FLAG_ENCODE_256MB;
610 pub const MAP_HUGE_512MB: c_int = HUGETLB_FLAG_ENCODE_512MB;
611 pub const MAP_HUGE_1GB: c_int = HUGETLB_FLAG_ENCODE_1GB;
612 pub const MAP_HUGE_2GB: c_int = HUGETLB_FLAG_ENCODE_2GB;
613 pub const MAP_HUGE_16GB: c_int = HUGETLB_FLAG_ENCODE_16GB;
614 
615 pub const PRIO_PROCESS: crate::__priority_which_t = 0;
616 pub const PRIO_PGRP: crate::__priority_which_t = 1;
617 pub const PRIO_USER: crate::__priority_which_t = 2;
618 
619 pub const MS_RMT_MASK: c_ulong = 0x02800051;
620 
621 pub const __UT_LINESIZE: usize = 32;
622 pub const __UT_NAMESIZE: usize = 32;
623 pub const __UT_HOSTSIZE: usize = 256;
624 pub const EMPTY: c_short = 0;
625 pub const RUN_LVL: c_short = 1;
626 pub const BOOT_TIME: c_short = 2;
627 pub const NEW_TIME: c_short = 3;
628 pub const OLD_TIME: c_short = 4;
629 pub const INIT_PROCESS: c_short = 5;
630 pub const LOGIN_PROCESS: c_short = 6;
631 pub const USER_PROCESS: c_short = 7;
632 pub const DEAD_PROCESS: c_short = 8;
633 pub const ACCOUNTING: c_short = 9;
634 
635 // dlfcn.h
636 pub const LM_ID_BASE: c_long = 0;
637 pub const LM_ID_NEWLM: c_long = -1;
638 
639 pub const RTLD_DI_LMID: c_int = 1;
640 pub const RTLD_DI_LINKMAP: c_int = 2;
641 pub const RTLD_DI_CONFIGADDR: c_int = 3;
642 pub const RTLD_DI_SERINFO: c_int = 4;
643 pub const RTLD_DI_SERINFOSIZE: c_int = 5;
644 pub const RTLD_DI_ORIGIN: c_int = 6;
645 pub const RTLD_DI_PROFILENAME: c_int = 7;
646 pub const RTLD_DI_PROFILEOUT: c_int = 8;
647 pub const RTLD_DI_TLS_MODID: c_int = 9;
648 pub const RTLD_DI_TLS_DATA: c_int = 10;
649 
650 pub const SOCK_NONBLOCK: c_int = O_NONBLOCK;
651 
652 pub const SOL_RXRPC: c_int = 272;
653 pub const SOL_PPPOL2TP: c_int = 273;
654 pub const SOL_PNPIPE: c_int = 275;
655 pub const SOL_RDS: c_int = 276;
656 pub const SOL_IUCV: c_int = 277;
657 pub const SOL_CAIF: c_int = 278;
658 pub const SOL_NFC: c_int = 280;
659 
660 pub const MSG_TRYHARD: c_int = 4;
661 
662 pub const LC_PAPER: c_int = 7;
663 pub const LC_NAME: c_int = 8;
664 pub const LC_ADDRESS: c_int = 9;
665 pub const LC_TELEPHONE: c_int = 10;
666 pub const LC_MEASUREMENT: c_int = 11;
667 pub const LC_IDENTIFICATION: c_int = 12;
668 pub const LC_PAPER_MASK: c_int = 1 << LC_PAPER;
669 pub const LC_NAME_MASK: c_int = 1 << LC_NAME;
670 pub const LC_ADDRESS_MASK: c_int = 1 << LC_ADDRESS;
671 pub const LC_TELEPHONE_MASK: c_int = 1 << LC_TELEPHONE;
672 pub const LC_MEASUREMENT_MASK: c_int = 1 << LC_MEASUREMENT;
673 pub const LC_IDENTIFICATION_MASK: c_int = 1 << LC_IDENTIFICATION;
674 pub const LC_ALL_MASK: c_int = crate::LC_CTYPE_MASK
675     | crate::LC_NUMERIC_MASK
676     | crate::LC_TIME_MASK
677     | crate::LC_COLLATE_MASK
678     | crate::LC_MONETARY_MASK
679     | crate::LC_MESSAGES_MASK
680     | LC_PAPER_MASK
681     | LC_NAME_MASK
682     | LC_ADDRESS_MASK
683     | LC_TELEPHONE_MASK
684     | LC_MEASUREMENT_MASK
685     | LC_IDENTIFICATION_MASK;
686 
687 pub const ENOTSUP: c_int = EOPNOTSUPP;
688 
689 pub const SOCK_SEQPACKET: c_int = 5;
690 pub const SOCK_DCCP: c_int = 6;
691 #[deprecated(since = "0.2.70", note = "AF_PACKET must be used instead")]
692 pub const SOCK_PACKET: c_int = 10;
693 
694 pub const AF_IB: c_int = 27;
695 pub const AF_MPLS: c_int = 28;
696 pub const AF_NFC: c_int = 39;
697 pub const AF_VSOCK: c_int = 40;
698 pub const AF_XDP: c_int = 44;
699 pub const PF_IB: c_int = AF_IB;
700 pub const PF_MPLS: c_int = AF_MPLS;
701 pub const PF_NFC: c_int = AF_NFC;
702 pub const PF_VSOCK: c_int = AF_VSOCK;
703 pub const PF_XDP: c_int = AF_XDP;
704 
705 pub const SIGEV_THREAD_ID: c_int = 4;
706 
707 pub const BUFSIZ: c_uint = 8192;
708 pub const TMP_MAX: c_uint = 238328;
709 pub const FOPEN_MAX: c_uint = 16;
710 pub const FILENAME_MAX: c_uint = 4096;
711 pub const POSIX_MADV_DONTNEED: c_int = 4;
712 pub const _CS_GNU_LIBC_VERSION: c_int = 2;
713 pub const _CS_GNU_LIBPTHREAD_VERSION: c_int = 3;
714 pub const _CS_V6_ENV: c_int = 1148;
715 pub const _CS_V7_ENV: c_int = 1149;
716 pub const _SC_EQUIV_CLASS_MAX: c_int = 41;
717 pub const _SC_CHARCLASS_NAME_MAX: c_int = 45;
718 pub const _SC_PII: c_int = 53;
719 pub const _SC_PII_XTI: c_int = 54;
720 pub const _SC_PII_SOCKET: c_int = 55;
721 pub const _SC_PII_INTERNET: c_int = 56;
722 pub const _SC_PII_OSI: c_int = 57;
723 pub const _SC_POLL: c_int = 58;
724 pub const _SC_SELECT: c_int = 59;
725 pub const _SC_PII_INTERNET_STREAM: c_int = 61;
726 pub const _SC_PII_INTERNET_DGRAM: c_int = 62;
727 pub const _SC_PII_OSI_COTS: c_int = 63;
728 pub const _SC_PII_OSI_CLTS: c_int = 64;
729 pub const _SC_PII_OSI_M: c_int = 65;
730 pub const _SC_T_IOV_MAX: c_int = 66;
731 pub const _SC_2_C_VERSION: c_int = 96;
732 pub const _SC_CHAR_BIT: c_int = 101;
733 pub const _SC_CHAR_MAX: c_int = 102;
734 pub const _SC_CHAR_MIN: c_int = 103;
735 pub const _SC_INT_MAX: c_int = 104;
736 pub const _SC_INT_MIN: c_int = 105;
737 pub const _SC_LONG_BIT: c_int = 106;
738 pub const _SC_WORD_BIT: c_int = 107;
739 pub const _SC_MB_LEN_MAX: c_int = 108;
740 pub const _SC_SSIZE_MAX: c_int = 110;
741 pub const _SC_SCHAR_MAX: c_int = 111;
742 pub const _SC_SCHAR_MIN: c_int = 112;
743 pub const _SC_SHRT_MAX: c_int = 113;
744 pub const _SC_SHRT_MIN: c_int = 114;
745 pub const _SC_UCHAR_MAX: c_int = 115;
746 pub const _SC_UINT_MAX: c_int = 116;
747 pub const _SC_ULONG_MAX: c_int = 117;
748 pub const _SC_USHRT_MAX: c_int = 118;
749 pub const _SC_NL_ARGMAX: c_int = 119;
750 pub const _SC_NL_LANGMAX: c_int = 120;
751 pub const _SC_NL_MSGMAX: c_int = 121;
752 pub const _SC_NL_NMAX: c_int = 122;
753 pub const _SC_NL_SETMAX: c_int = 123;
754 pub const _SC_NL_TEXTMAX: c_int = 124;
755 pub const _SC_BASE: c_int = 134;
756 pub const _SC_C_LANG_SUPPORT: c_int = 135;
757 pub const _SC_C_LANG_SUPPORT_R: c_int = 136;
758 pub const _SC_DEVICE_IO: c_int = 140;
759 pub const _SC_DEVICE_SPECIFIC: c_int = 141;
760 pub const _SC_DEVICE_SPECIFIC_R: c_int = 142;
761 pub const _SC_FD_MGMT: c_int = 143;
762 pub const _SC_FIFO: c_int = 144;
763 pub const _SC_PIPE: c_int = 145;
764 pub const _SC_FILE_ATTRIBUTES: c_int = 146;
765 pub const _SC_FILE_LOCKING: c_int = 147;
766 pub const _SC_FILE_SYSTEM: c_int = 148;
767 pub const _SC_MULTI_PROCESS: c_int = 150;
768 pub const _SC_SINGLE_PROCESS: c_int = 151;
769 pub const _SC_NETWORKING: c_int = 152;
770 pub const _SC_REGEX_VERSION: c_int = 156;
771 pub const _SC_SIGNALS: c_int = 158;
772 pub const _SC_SYSTEM_DATABASE: c_int = 162;
773 pub const _SC_SYSTEM_DATABASE_R: c_int = 163;
774 pub const _SC_USER_GROUPS: c_int = 166;
775 pub const _SC_USER_GROUPS_R: c_int = 167;
776 pub const _SC_LEVEL1_ICACHE_SIZE: c_int = 185;
777 pub const _SC_LEVEL1_ICACHE_ASSOC: c_int = 186;
778 pub const _SC_LEVEL1_ICACHE_LINESIZE: c_int = 187;
779 pub const _SC_LEVEL1_DCACHE_SIZE: c_int = 188;
780 pub const _SC_LEVEL1_DCACHE_ASSOC: c_int = 189;
781 pub const _SC_LEVEL1_DCACHE_LINESIZE: c_int = 190;
782 pub const _SC_LEVEL2_CACHE_SIZE: c_int = 191;
783 pub const _SC_LEVEL2_CACHE_ASSOC: c_int = 192;
784 pub const _SC_LEVEL2_CACHE_LINESIZE: c_int = 193;
785 pub const _SC_LEVEL3_CACHE_SIZE: c_int = 194;
786 pub const _SC_LEVEL3_CACHE_ASSOC: c_int = 195;
787 pub const _SC_LEVEL3_CACHE_LINESIZE: c_int = 196;
788 pub const _SC_LEVEL4_CACHE_SIZE: c_int = 197;
789 pub const _SC_LEVEL4_CACHE_ASSOC: c_int = 198;
790 pub const _SC_LEVEL4_CACHE_LINESIZE: c_int = 199;
791 pub const O_ACCMODE: c_int = 3;
792 pub const ST_RELATIME: c_ulong = 4096;
793 pub const NI_MAXHOST: crate::socklen_t = 1025;
794 
795 // Most `*_SUPER_MAGIC` constants are defined at the `linux_like` level; the
796 // following are only available on newer Linux versions than the versions
797 // currently used in CI in some configurations, so we define them here.
798 cfg_if! {
799     if #[cfg(not(target_arch = "s390x"))] {
800         pub const BINDERFS_SUPER_MAGIC: c_long = 0x6c6f6f70;
801         pub const XFS_SUPER_MAGIC: c_long = 0x58465342;
802     } else if #[cfg(target_arch = "s390x")] {
803         pub const BINDERFS_SUPER_MAGIC: c_uint = 0x6c6f6f70;
804         pub const XFS_SUPER_MAGIC: c_uint = 0x58465342;
805     }
806 }
807 
808 pub const CPU_SETSIZE: c_int = 0x400;
809 
810 pub const PTRACE_TRACEME: c_uint = 0;
811 pub const PTRACE_PEEKTEXT: c_uint = 1;
812 pub const PTRACE_PEEKDATA: c_uint = 2;
813 pub const PTRACE_PEEKUSER: c_uint = 3;
814 pub const PTRACE_POKETEXT: c_uint = 4;
815 pub const PTRACE_POKEDATA: c_uint = 5;
816 pub const PTRACE_POKEUSER: c_uint = 6;
817 pub const PTRACE_CONT: c_uint = 7;
818 pub const PTRACE_KILL: c_uint = 8;
819 pub const PTRACE_SINGLESTEP: c_uint = 9;
820 pub const PTRACE_ATTACH: c_uint = 16;
821 pub const PTRACE_SYSCALL: c_uint = 24;
822 pub const PTRACE_SETOPTIONS: c_uint = 0x4200;
823 pub const PTRACE_GETEVENTMSG: c_uint = 0x4201;
824 pub const PTRACE_GETSIGINFO: c_uint = 0x4202;
825 pub const PTRACE_SETSIGINFO: c_uint = 0x4203;
826 pub const PTRACE_GETREGSET: c_uint = 0x4204;
827 pub const PTRACE_SETREGSET: c_uint = 0x4205;
828 pub const PTRACE_SEIZE: c_uint = 0x4206;
829 pub const PTRACE_INTERRUPT: c_uint = 0x4207;
830 pub const PTRACE_LISTEN: c_uint = 0x4208;
831 pub const PTRACE_PEEKSIGINFO: c_uint = 0x4209;
832 pub const PTRACE_GETSIGMASK: c_uint = 0x420a;
833 pub const PTRACE_SETSIGMASK: c_uint = 0x420b;
834 pub const PTRACE_GET_SYSCALL_INFO: c_uint = 0x420e;
835 pub const PTRACE_SYSCALL_INFO_NONE: crate::__u8 = 0;
836 pub const PTRACE_SYSCALL_INFO_ENTRY: crate::__u8 = 1;
837 pub const PTRACE_SYSCALL_INFO_EXIT: crate::__u8 = 2;
838 pub const PTRACE_SYSCALL_INFO_SECCOMP: crate::__u8 = 3;
839 pub const PTRACE_SET_SYSCALL_USER_DISPATCH_CONFIG: crate::__u8 = 0x4210;
840 pub const PTRACE_GET_SYSCALL_USER_DISPATCH_CONFIG: crate::__u8 = 0x4211;
841 
842 // linux/rtnetlink.h
843 pub const TCA_PAD: c_ushort = 9;
844 pub const TCA_DUMP_INVISIBLE: c_ushort = 10;
845 pub const TCA_CHAIN: c_ushort = 11;
846 pub const TCA_HW_OFFLOAD: c_ushort = 12;
847 
848 pub const RTM_DELNETCONF: u16 = 81;
849 pub const RTM_NEWSTATS: u16 = 92;
850 pub const RTM_GETSTATS: u16 = 94;
851 pub const RTM_NEWCACHEREPORT: u16 = 96;
852 
853 pub const RTM_F_LOOKUP_TABLE: c_uint = 0x1000;
854 pub const RTM_F_FIB_MATCH: c_uint = 0x2000;
855 
856 pub const RTA_VIA: c_ushort = 18;
857 pub const RTA_NEWDST: c_ushort = 19;
858 pub const RTA_PREF: c_ushort = 20;
859 pub const RTA_ENCAP_TYPE: c_ushort = 21;
860 pub const RTA_ENCAP: c_ushort = 22;
861 pub const RTA_EXPIRES: c_ushort = 23;
862 pub const RTA_PAD: c_ushort = 24;
863 pub const RTA_UID: c_ushort = 25;
864 pub const RTA_TTL_PROPAGATE: c_ushort = 26;
865 
866 // linux/neighbor.h
867 pub const NTF_EXT_LEARNED: u8 = 0x10;
868 pub const NTF_OFFLOADED: u8 = 0x20;
869 
870 pub const NDA_MASTER: c_ushort = 9;
871 pub const NDA_LINK_NETNSID: c_ushort = 10;
872 pub const NDA_SRC_VNI: c_ushort = 11;
873 
874 // linux/personality.h
875 pub const UNAME26: c_int = 0x0020000;
876 pub const FDPIC_FUNCPTRS: c_int = 0x0080000;
877 
878 pub const MAX_LINKS: c_int = 32;
879 
880 pub const GENL_UNS_ADMIN_PERM: c_int = 0x10;
881 
882 pub const GENL_ID_VFS_DQUOT: c_int = crate::NLMSG_MIN_TYPE + 1;
883 pub const GENL_ID_PMCRAID: c_int = crate::NLMSG_MIN_TYPE + 2;
884 
885 pub const ELFOSABI_ARM_AEABI: u8 = 64;
886 
887 // linux/sched.h
888 pub const CLONE_NEWTIME: c_int = 0x80;
889 // DIFF(main): changed to `c_ulonglong` in e9abac9ac2
890 pub const CLONE_CLEAR_SIGHAND: c_int = 0x100000000;
891 pub const CLONE_INTO_CGROUP: c_int = 0x200000000;
892 
893 // linux/keyctl.h
894 pub const KEYCTL_DH_COMPUTE: u32 = 23;
895 pub const KEYCTL_PKEY_QUERY: u32 = 24;
896 pub const KEYCTL_PKEY_ENCRYPT: u32 = 25;
897 pub const KEYCTL_PKEY_DECRYPT: u32 = 26;
898 pub const KEYCTL_PKEY_SIGN: u32 = 27;
899 pub const KEYCTL_PKEY_VERIFY: u32 = 28;
900 pub const KEYCTL_RESTRICT_KEYRING: u32 = 29;
901 
902 pub const KEYCTL_SUPPORTS_ENCRYPT: u32 = 0x01;
903 pub const KEYCTL_SUPPORTS_DECRYPT: u32 = 0x02;
904 pub const KEYCTL_SUPPORTS_SIGN: u32 = 0x04;
905 pub const KEYCTL_SUPPORTS_VERIFY: u32 = 0x08;
906 cfg_if! {
907     if #[cfg(not(any(
908         target_arch = "mips",
909         target_arch = "mips32r6",
910         target_arch = "mips64",
911         target_arch = "mips64r6"
912     )))] {
913         pub const KEYCTL_MOVE: u32 = 30;
914         pub const KEYCTL_CAPABILITIES: u32 = 31;
915 
916         pub const KEYCTL_CAPS0_CAPABILITIES: u32 = 0x01;
917         pub const KEYCTL_CAPS0_PERSISTENT_KEYRINGS: u32 = 0x02;
918         pub const KEYCTL_CAPS0_DIFFIE_HELLMAN: u32 = 0x04;
919         pub const KEYCTL_CAPS0_PUBLIC_KEY: u32 = 0x08;
920         pub const KEYCTL_CAPS0_BIG_KEY: u32 = 0x10;
921         pub const KEYCTL_CAPS0_INVALIDATE: u32 = 0x20;
922         pub const KEYCTL_CAPS0_RESTRICT_KEYRING: u32 = 0x40;
923         pub const KEYCTL_CAPS0_MOVE: u32 = 0x80;
924         pub const KEYCTL_CAPS1_NS_KEYRING_NAME: u32 = 0x01;
925         pub const KEYCTL_CAPS1_NS_KEY_TAG: u32 = 0x02;
926     }
927 }
928 
929 pub const M_MXFAST: c_int = 1;
930 pub const M_NLBLKS: c_int = 2;
931 pub const M_GRAIN: c_int = 3;
932 pub const M_KEEP: c_int = 4;
933 pub const M_TRIM_THRESHOLD: c_int = -1;
934 pub const M_TOP_PAD: c_int = -2;
935 pub const M_MMAP_THRESHOLD: c_int = -3;
936 pub const M_MMAP_MAX: c_int = -4;
937 pub const M_CHECK_ACTION: c_int = -5;
938 pub const M_PERTURB: c_int = -6;
939 pub const M_ARENA_TEST: c_int = -7;
940 pub const M_ARENA_MAX: c_int = -8;
941 
942 pub const SOMAXCONN: c_int = 4096;
943 
944 // linux/mount.h
945 pub const MOVE_MOUNT_F_SYMLINKS: c_uint = 0x00000001;
946 pub const MOVE_MOUNT_F_AUTOMOUNTS: c_uint = 0x00000002;
947 pub const MOVE_MOUNT_F_EMPTY_PATH: c_uint = 0x00000004;
948 pub const MOVE_MOUNT_T_SYMLINKS: c_uint = 0x00000010;
949 pub const MOVE_MOUNT_T_AUTOMOUNTS: c_uint = 0x00000020;
950 pub const MOVE_MOUNT_T_EMPTY_PATH: c_uint = 0x00000040;
951 pub const MOVE_MOUNT_SET_GROUP: c_uint = 0x00000100;
952 pub const MOVE_MOUNT_BENEATH: c_uint = 0x00000200;
953 
954 // sys/timex.h
955 pub const ADJ_OFFSET: c_uint = 0x0001;
956 pub const ADJ_FREQUENCY: c_uint = 0x0002;
957 pub const ADJ_MAXERROR: c_uint = 0x0004;
958 pub const ADJ_ESTERROR: c_uint = 0x0008;
959 pub const ADJ_STATUS: c_uint = 0x0010;
960 pub const ADJ_TIMECONST: c_uint = 0x0020;
961 pub const ADJ_TAI: c_uint = 0x0080;
962 pub const ADJ_SETOFFSET: c_uint = 0x0100;
963 pub const ADJ_MICRO: c_uint = 0x1000;
964 pub const ADJ_NANO: c_uint = 0x2000;
965 pub const ADJ_TICK: c_uint = 0x4000;
966 pub const ADJ_OFFSET_SINGLESHOT: c_uint = 0x8001;
967 pub const ADJ_OFFSET_SS_READ: c_uint = 0xa001;
968 pub const MOD_OFFSET: c_uint = ADJ_OFFSET;
969 pub const MOD_FREQUENCY: c_uint = ADJ_FREQUENCY;
970 pub const MOD_MAXERROR: c_uint = ADJ_MAXERROR;
971 pub const MOD_ESTERROR: c_uint = ADJ_ESTERROR;
972 pub const MOD_STATUS: c_uint = ADJ_STATUS;
973 pub const MOD_TIMECONST: c_uint = ADJ_TIMECONST;
974 pub const MOD_CLKB: c_uint = ADJ_TICK;
975 pub const MOD_CLKA: c_uint = ADJ_OFFSET_SINGLESHOT;
976 pub const MOD_TAI: c_uint = ADJ_TAI;
977 pub const MOD_MICRO: c_uint = ADJ_MICRO;
978 pub const MOD_NANO: c_uint = ADJ_NANO;
979 pub const STA_PLL: c_int = 0x0001;
980 pub const STA_PPSFREQ: c_int = 0x0002;
981 pub const STA_PPSTIME: c_int = 0x0004;
982 pub const STA_FLL: c_int = 0x0008;
983 pub const STA_INS: c_int = 0x0010;
984 pub const STA_DEL: c_int = 0x0020;
985 pub const STA_UNSYNC: c_int = 0x0040;
986 pub const STA_FREQHOLD: c_int = 0x0080;
987 pub const STA_PPSSIGNAL: c_int = 0x0100;
988 pub const STA_PPSJITTER: c_int = 0x0200;
989 pub const STA_PPSWANDER: c_int = 0x0400;
990 pub const STA_PPSERROR: c_int = 0x0800;
991 pub const STA_CLOCKERR: c_int = 0x1000;
992 pub const STA_NANO: c_int = 0x2000;
993 pub const STA_MODE: c_int = 0x4000;
994 pub const STA_CLK: c_int = 0x8000;
995 pub const STA_RONLY: c_int = STA_PPSSIGNAL
996     | STA_PPSJITTER
997     | STA_PPSWANDER
998     | STA_PPSERROR
999     | STA_CLOCKERR
1000     | STA_NANO
1001     | STA_MODE
1002     | STA_CLK;
1003 pub const NTP_API: c_int = 4;
1004 pub const TIME_OK: c_int = 0;
1005 pub const TIME_INS: c_int = 1;
1006 pub const TIME_DEL: c_int = 2;
1007 pub const TIME_OOP: c_int = 3;
1008 pub const TIME_WAIT: c_int = 4;
1009 pub const TIME_ERROR: c_int = 5;
1010 pub const TIME_BAD: c_int = TIME_ERROR;
1011 pub const MAXTC: c_long = 6;
1012 
1013 // Portable GLOB_* flags are defined at the `linux_like` level.
1014 // The following are GNU extensions.
1015 pub const GLOB_PERIOD: c_int = 1 << 7;
1016 pub const GLOB_ALTDIRFUNC: c_int = 1 << 9;
1017 pub const GLOB_BRACE: c_int = 1 << 10;
1018 pub const GLOB_NOMAGIC: c_int = 1 << 11;
1019 pub const GLOB_TILDE: c_int = 1 << 12;
1020 pub const GLOB_ONLYDIR: c_int = 1 << 13;
1021 pub const GLOB_TILDE_CHECK: c_int = 1 << 14;
1022 
1023 pub const MADV_COLLAPSE: c_int = 25;
1024 
1025 cfg_if! {
1026     if #[cfg(any(
1027         target_arch = "arm",
1028         target_arch = "x86",
1029         target_arch = "x86_64",
1030         target_arch = "s390x",
1031         target_arch = "riscv64",
1032         target_arch = "riscv32"
1033     ))] {
1034         pub const PTHREAD_STACK_MIN: size_t = 16384;
1035     } else if #[cfg(any(target_arch = "sparc", target_arch = "sparc64"))] {
1036         pub const PTHREAD_STACK_MIN: size_t = 0x6000;
1037     } else {
1038         pub const PTHREAD_STACK_MIN: size_t = 131072;
1039     }
1040 }
1041 pub const PTHREAD_MUTEX_ADAPTIVE_NP: c_int = 3;
1042 
1043 pub const REG_STARTEND: c_int = 4;
1044 
1045 pub const REG_EEND: c_int = 14;
1046 pub const REG_ESIZE: c_int = 15;
1047 pub const REG_ERPAREN: c_int = 16;
1048 
1049 extern "C" {
1050     pub fn fgetspent_r(
1051         fp: *mut crate::FILE,
1052         spbuf: *mut crate::spwd,
1053         buf: *mut c_char,
1054         buflen: size_t,
1055         spbufp: *mut *mut crate::spwd,
1056     ) -> c_int;
1057     pub fn sgetspent_r(
1058         s: *const c_char,
1059         spbuf: *mut crate::spwd,
1060         buf: *mut c_char,
1061         buflen: size_t,
1062         spbufp: *mut *mut crate::spwd,
1063     ) -> c_int;
1064     pub fn getspent_r(
1065         spbuf: *mut crate::spwd,
1066         buf: *mut c_char,
1067         buflen: size_t,
1068         spbufp: *mut *mut crate::spwd,
1069     ) -> c_int;
1070     pub fn qsort_r(
1071         base: *mut c_void,
1072         num: size_t,
1073         size: size_t,
1074         compar: Option<unsafe extern "C" fn(*const c_void, *const c_void, *mut c_void) -> c_int>,
1075         arg: *mut c_void,
1076     );
1077     #[cfg_attr(gnu_time_bits64, link_name = "__sendmmsg64")]
1078     pub fn sendmmsg(
1079         sockfd: c_int,
1080         msgvec: *mut crate::mmsghdr,
1081         vlen: c_uint,
1082         flags: c_int,
1083     ) -> c_int;
1084     #[cfg_attr(gnu_time_bits64, link_name = "__recvmmsg64")]
1085     pub fn recvmmsg(
1086         sockfd: c_int,
1087         msgvec: *mut crate::mmsghdr,
1088         vlen: c_uint,
1089         flags: c_int,
1090         timeout: *mut crate::timespec,
1091     ) -> c_int;
1092 
1093     pub fn getrlimit64(resource: crate::__rlimit_resource_t, rlim: *mut crate::rlimit64) -> c_int;
1094     pub fn setrlimit64(resource: crate::__rlimit_resource_t, rlim: *const crate::rlimit64)
1095         -> c_int;
1096     #[cfg_attr(gnu_file_offset_bits64, link_name = "getrlimit64")]
1097     pub fn getrlimit(resource: crate::__rlimit_resource_t, rlim: *mut crate::rlimit) -> c_int;
1098     #[cfg_attr(gnu_file_offset_bits64, link_name = "setrlimit64")]
1099     pub fn setrlimit(resource: crate::__rlimit_resource_t, rlim: *const crate::rlimit) -> c_int;
1100     #[cfg_attr(gnu_file_offset_bits64, link_name = "prlimit64")]
1101     pub fn prlimit(
1102         pid: crate::pid_t,
1103         resource: crate::__rlimit_resource_t,
1104         new_limit: *const crate::rlimit,
1105         old_limit: *mut crate::rlimit,
1106     ) -> c_int;
1107     pub fn prlimit64(
1108         pid: crate::pid_t,
1109         resource: crate::__rlimit_resource_t,
1110         new_limit: *const crate::rlimit64,
1111         old_limit: *mut crate::rlimit64,
1112     ) -> c_int;
1113     pub fn utmpname(file: *const c_char) -> c_int;
1114     pub fn utmpxname(file: *const c_char) -> c_int;
1115     pub fn getutxent() -> *mut utmpx;
1116     pub fn getutxid(ut: *const utmpx) -> *mut utmpx;
1117     pub fn getutxline(ut: *const utmpx) -> *mut utmpx;
1118     pub fn pututxline(ut: *const utmpx) -> *mut utmpx;
1119     pub fn setutxent();
1120     pub fn endutxent();
1121     pub fn getpt() -> c_int;
1122     pub fn mallopt(param: c_int, value: c_int) -> c_int;
1123     #[cfg_attr(gnu_time_bits64, link_name = "__gettimeofday64")]
1124     pub fn gettimeofday(tp: *mut crate::timeval, tz: *mut crate::timezone) -> c_int;
1125     pub fn getentropy(buf: *mut c_void, buflen: size_t) -> c_int;
1126     pub fn getrandom(buf: *mut c_void, buflen: size_t, flags: c_uint) -> ssize_t;
1127     pub fn getauxval(type_: c_ulong) -> c_ulong;
1128 
1129     #[cfg_attr(gnu_time_bits64, link_name = "___adjtimex64")]
1130     pub fn adjtimex(buf: *mut timex) -> c_int;
1131     #[cfg_attr(gnu_time_bits64, link_name = "___adjtimex64")]
1132     pub fn ntp_adjtime(buf: *mut timex) -> c_int;
1133     #[cfg_attr(not(gnu_time_bits64), link_name = "ntp_gettimex")]
1134     #[cfg_attr(gnu_time_bits64, link_name = "__ntp_gettime64")]
1135     pub fn ntp_gettime(buf: *mut ntptimeval) -> c_int;
1136     #[cfg_attr(gnu_time_bits64, link_name = "__clock_adjtime64")]
1137     pub fn clock_adjtime(clk_id: crate::clockid_t, buf: *mut crate::timex) -> c_int;
1138 
1139     pub fn fanotify_mark(
1140         fd: c_int,
1141         flags: c_uint,
1142         mask: u64,
1143         dirfd: c_int,
1144         path: *const c_char,
1145     ) -> c_int;
1146     #[cfg_attr(gnu_file_offset_bits64, link_name = "preadv64v2")]
1147     pub fn preadv2(
1148         fd: c_int,
1149         iov: *const crate::iovec,
1150         iovcnt: c_int,
1151         offset: off_t,
1152         flags: c_int,
1153     ) -> ssize_t;
1154     #[cfg_attr(gnu_file_offset_bits64, link_name = "pwritev64v2")]
1155     pub fn pwritev2(
1156         fd: c_int,
1157         iov: *const crate::iovec,
1158         iovcnt: c_int,
1159         offset: off_t,
1160         flags: c_int,
1161     ) -> ssize_t;
1162     pub fn preadv64v2(
1163         fd: c_int,
1164         iov: *const crate::iovec,
1165         iovcnt: c_int,
1166         offset: off64_t,
1167         flags: c_int,
1168     ) -> ssize_t;
1169     pub fn pwritev64v2(
1170         fd: c_int,
1171         iov: *const crate::iovec,
1172         iovcnt: c_int,
1173         offset: off64_t,
1174         flags: c_int,
1175     ) -> ssize_t;
1176     pub fn renameat2(
1177         olddirfd: c_int,
1178         oldpath: *const c_char,
1179         newdirfd: c_int,
1180         newpath: *const c_char,
1181         flags: c_uint,
1182     ) -> c_int;
1183 
1184     // Added in `glibc` 2.25
1185     pub fn explicit_bzero(s: *mut c_void, len: size_t);
1186     // Added in `glibc` 2.29
1187     pub fn reallocarray(ptr: *mut c_void, nmemb: size_t, size: size_t) -> *mut c_void;
1188 
1189     pub fn ctermid(s: *mut c_char) -> *mut c_char;
1190     pub fn backtrace(buf: *mut *mut c_void, sz: c_int) -> c_int;
1191     #[cfg_attr(gnu_time_bits64, link_name = "__glob64_time64")]
1192     pub fn glob64(
1193         pattern: *const c_char,
1194         flags: c_int,
1195         errfunc: Option<extern "C" fn(epath: *const c_char, errno: c_int) -> c_int>,
1196         pglob: *mut glob64_t,
1197     ) -> c_int;
1198     #[cfg_attr(gnu_time_bits64, link_name = "__globfree64_time64")]
1199     pub fn globfree64(pglob: *mut glob64_t);
1200     pub fn ptrace(request: c_uint, ...) -> c_long;
1201     pub fn pthread_attr_getaffinity_np(
1202         attr: *const crate::pthread_attr_t,
1203         cpusetsize: size_t,
1204         cpuset: *mut crate::cpu_set_t,
1205     ) -> c_int;
1206     pub fn pthread_attr_setaffinity_np(
1207         attr: *mut crate::pthread_attr_t,
1208         cpusetsize: size_t,
1209         cpuset: *const crate::cpu_set_t,
1210     ) -> c_int;
1211     pub fn getpriority(which: crate::__priority_which_t, who: crate::id_t) -> c_int;
1212     pub fn setpriority(which: crate::__priority_which_t, who: crate::id_t, prio: c_int) -> c_int;
1213     pub fn pthread_rwlockattr_getkind_np(
1214         attr: *const crate::pthread_rwlockattr_t,
1215         val: *mut c_int,
1216     ) -> c_int;
1217     pub fn pthread_rwlockattr_setkind_np(
1218         attr: *mut crate::pthread_rwlockattr_t,
1219         val: c_int,
1220     ) -> c_int;
1221     pub fn pthread_sigqueue(thread: crate::pthread_t, sig: c_int, value: crate::sigval) -> c_int;
1222     pub fn mallinfo() -> crate::mallinfo;
1223     pub fn mallinfo2() -> crate::mallinfo2;
1224     pub fn malloc_stats();
1225     pub fn malloc_info(options: c_int, stream: *mut crate::FILE) -> c_int;
1226     pub fn malloc_usable_size(ptr: *mut c_void) -> size_t;
1227     pub fn getpwent_r(
1228         pwd: *mut crate::passwd,
1229         buf: *mut c_char,
1230         buflen: size_t,
1231         result: *mut *mut crate::passwd,
1232     ) -> c_int;
1233     pub fn getgrent_r(
1234         grp: *mut crate::group,
1235         buf: *mut c_char,
1236         buflen: size_t,
1237         result: *mut *mut crate::group,
1238     ) -> c_int;
1239     pub fn fgetpwent_r(
1240         stream: *mut crate::FILE,
1241         pwd: *mut crate::passwd,
1242         buf: *mut c_char,
1243         buflen: size_t,
1244         result: *mut *mut crate::passwd,
1245     ) -> c_int;
1246     pub fn fgetgrent_r(
1247         stream: *mut crate::FILE,
1248         grp: *mut crate::group,
1249         buf: *mut c_char,
1250         buflen: size_t,
1251         result: *mut *mut crate::group,
1252     ) -> c_int;
1253 
1254     pub fn putpwent(p: *const crate::passwd, stream: *mut crate::FILE) -> c_int;
1255     pub fn putgrent(grp: *const crate::group, stream: *mut crate::FILE) -> c_int;
1256 
1257     pub fn sethostid(hostid: c_long) -> c_int;
1258 
1259     pub fn memfd_create(name: *const c_char, flags: c_uint) -> c_int;
1260     pub fn mlock2(addr: *const c_void, len: size_t, flags: c_uint) -> c_int;
1261 
1262     pub fn euidaccess(pathname: *const c_char, mode: c_int) -> c_int;
1263     pub fn eaccess(pathname: *const c_char, mode: c_int) -> c_int;
1264 
1265     pub fn asctime_r(tm: *const crate::tm, buf: *mut c_char) -> *mut c_char;
1266     #[cfg_attr(gnu_time_bits64, link_name = "__ctime64_r")]
1267     pub fn ctime_r(timep: *const time_t, buf: *mut c_char) -> *mut c_char;
1268 
1269     pub fn dirname(path: *mut c_char) -> *mut c_char;
1270     /// POSIX version of `basename(3)`, defined in `libgen.h`.
1271     #[link_name = "__xpg_basename"]
1272     pub fn posix_basename(path: *mut c_char) -> *mut c_char;
1273     /// GNU version of `basename(3)`, defined in `string.h`.
1274     #[link_name = "basename"]
1275     pub fn gnu_basename(path: *const c_char) -> *mut c_char;
1276     pub fn dlmopen(lmid: Lmid_t, filename: *const c_char, flag: c_int) -> *mut c_void;
1277     pub fn dlinfo(handle: *mut c_void, request: c_int, info: *mut c_void) -> c_int;
1278     pub fn dladdr1(
1279         addr: *const c_void,
1280         info: *mut crate::Dl_info,
1281         extra_info: *mut *mut c_void,
1282         flags: c_int,
1283     ) -> c_int;
1284     pub fn malloc_trim(__pad: size_t) -> c_int;
1285     pub fn gnu_get_libc_release() -> *const c_char;
1286     pub fn gnu_get_libc_version() -> *const c_char;
1287 
1288     // posix/spawn.h
1289     // Added in `glibc` 2.29
1290     pub fn posix_spawn_file_actions_addchdir_np(
1291         actions: *mut crate::posix_spawn_file_actions_t,
1292         path: *const c_char,
1293     ) -> c_int;
1294     // Added in `glibc` 2.29
1295     pub fn posix_spawn_file_actions_addfchdir_np(
1296         actions: *mut crate::posix_spawn_file_actions_t,
1297         fd: c_int,
1298     ) -> c_int;
1299     // Added in `glibc` 2.34
1300     pub fn posix_spawn_file_actions_addclosefrom_np(
1301         actions: *mut crate::posix_spawn_file_actions_t,
1302         from: c_int,
1303     ) -> c_int;
1304     // Added in `glibc` 2.35
1305     pub fn posix_spawn_file_actions_addtcsetpgrp_np(
1306         actions: *mut crate::posix_spawn_file_actions_t,
1307         tcfd: c_int,
1308     ) -> c_int;
1309 
1310     // mntent.h
1311     pub fn getmntent_r(
1312         stream: *mut crate::FILE,
1313         mntbuf: *mut crate::mntent,
1314         buf: *mut c_char,
1315         buflen: c_int,
1316     ) -> *mut crate::mntent;
1317 
1318     pub fn execveat(
1319         dirfd: c_int,
1320         pathname: *const c_char,
1321         argv: *const *mut c_char,
1322         envp: *const *mut c_char,
1323         flags: c_int,
1324     ) -> c_int;
1325 
1326     // Added in `glibc` 2.34
1327     pub fn close_range(first: c_uint, last: c_uint, flags: c_int) -> c_int;
1328 
1329     pub fn mq_notify(mqdes: crate::mqd_t, sevp: *const crate::sigevent) -> c_int;
1330 
1331     #[cfg_attr(gnu_time_bits64, link_name = "__epoll_pwait2_time64")]
1332     pub fn epoll_pwait2(
1333         epfd: c_int,
1334         events: *mut crate::epoll_event,
1335         maxevents: c_int,
1336         timeout: *const crate::timespec,
1337         sigmask: *const crate::sigset_t,
1338     ) -> c_int;
1339 
1340     pub fn mempcpy(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
1341 }
1342 
1343 cfg_if! {
1344     if #[cfg(any(
1345         target_arch = "x86",
1346         target_arch = "arm",
1347         target_arch = "m68k",
1348         target_arch = "csky",
1349         target_arch = "mips",
1350         target_arch = "mips32r6",
1351         target_arch = "powerpc",
1352         target_arch = "sparc",
1353         target_arch = "riscv32"
1354     ))] {
1355         mod b32;
1356         pub use self::b32::*;
1357     } else if #[cfg(any(
1358         target_arch = "x86_64",
1359         target_arch = "aarch64",
1360         target_arch = "powerpc64",
1361         target_arch = "mips64",
1362         target_arch = "mips64r6",
1363         target_arch = "s390x",
1364         target_arch = "sparc64",
1365         target_arch = "riscv64",
1366         target_arch = "loongarch64"
1367     ))] {
1368         mod b64;
1369         pub use self::b64::*;
1370     } else {
1371         // Unknown target_arch
1372     }
1373 }
1374